<template>
  <Demo @hello="showHelloMsg" msg="你好啊" school="尚硅谷">
    <template v-slot:qwe>
      <span>尚硅谷</span>
    </template>
     <template v-slot:asd>
      <span>尚硅谷</span>
    </template>
  </Demo>
</template>

<script>
import Demo from './components/Demo'
export default {
  name: 'App',
  components: {
    Demo
  },
  setup() {
    function showHelloMsg(value) {
      alert(`你好呀,你触发了hello事件, 我收到的参数是${value}`)
    }

    return {
      showHelloMsg
    }
  }
}
</script>

<style>
</style>
